Step 1: Right click the item you would like to drop


Step 2: Click drop


If you do not like this way to drop an item, don't worry! I have an alternative?


Step 1: Hold left click on the item


Step 2: Drag that item to the far right of your screen


Step 3: Let go


If this guide was confusing in any way, please contact the creator, NaLa, for any help needed.
(I know that step 3 is hard, even I needed help with that one).